static int node_shader_gpu_tex_coord(GPUMaterial *mat, bNode *UNUSED(node), bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out)
{
GPUNodeLink *orco = GPU_attribute(CD_ORCO, "");
GPUNodeLink *mtface = GPU_attribute(CD_MTFACE, "");
return GPU_stack_link(mat, "node_tex_coord", in, out,
GPU_builtin(GPU_VIEW_POSITION), GPU_builtin(GPU_VIEW_NORMAL),
GPU_builtin(GPU_INVERSE_VIEW_MATRIX), GPU_builtin(GPU_INVERSE_OBJECT_MATRIX), orco, mtface);
}
static int gpu_shader_geom(GPUMaterial *mat, bNode *node, GPUNodeStack *in, GPUNodeStack *out)
{
NodeGeometry *ngeo= (NodeGeometry*)node->storage;
GPUNodeLink *orco = GPU_attribute(CD_ORCO, "");
GPUNodeLink *mtface = GPU_attribute(CD_MTFACE, ngeo->uvname);
GPUNodeLink *mcol = GPU_attribute(CD_MCOL, ngeo->colname);
return GPU_stack_link(mat, "geom", in, out,
GPU_builtin(GPU_VIEW_POSITION), GPU_builtin(GPU_VIEW_NORMAL),
GPU_builtin(GPU_INVERSE_VIEW_MATRIX), orco, mtface, mcol);
}
static int node_shader_gpu_tex_image(GPUMaterial *mat, bNode *node, bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out)
{
Image *ima = (Image *)node->id;
ImageUser *iuser = NULL;
NodeTexImage *tex = node->storage;
GPUNodeLink *norm;
int isdata = tex->color_space == SHD_COLORSPACE_NONE;
float blend = tex->projection_blend;
if (!ima)
return GPU_stack_link(mat, "node_tex_image_empty", in, out);
if (!in[0].link)
in[0].link = GPU_attribute(CD_MTFACE, "");
node_shader_gpu_tex_mapping(mat, node, in, out);
switch (tex->projection) {
case SHD_PROJ_FLAT:
GPU_stack_link(mat, "node_tex_image", in, out, GPU_image(ima, iuser, isdata));
break;
case SHD_PROJ_BOX:
GPU_link(mat, "direction_transform_m4v3", GPU_builtin(GPU_VIEW_NORMAL),
GPU_builtin(GPU_INVERSE_VIEW_MATRIX),
&norm);
GPU_link(mat, "direction_transform_m4v3", norm,
GPU_builtin(GPU_INVERSE_OBJECT_MATRIX),
&norm);
GPU_link(mat, "node_tex_image_box", in[0].link,
norm,
GPU_image(ima, iuser, isdata),
GPU_uniform(&blend),
&out[0].link,
&out[1].link);
break;
case SHD_PROJ_SPHERE:
GPU_link(mat, "point_texco_remap_square", in[0].link, &in[0].link);
GPU_link(mat, "point_map_to_sphere", in[0].link, &in[0].link);
GPU_stack_link(mat, "node_tex_image", in, out, GPU_image(ima, iuser, isdata));
break;
case SHD_PROJ_TUBE:
GPU_link(mat, "point_texco_remap_square", in[0].link, &in[0].link);
GPU_link(mat, "point_map_to_tube", in[0].link, &in[0].link);
GPU_stack_link(mat, "node_tex_image", in, out, GPU_image(ima, iuser, isdata));
break;
}
ImBuf *ibuf = BKE_image_acquire_ibuf(ima, iuser, NULL);
if ((tex->color_space == SHD_COLORSPACE_COLOR) &&
ibuf && (ibuf->colormanage_flag & IMB_COLORMANAGE_IS_DATA) == 0 &&
GPU_material_do_color_management(mat))
{
GPU_link(mat, "srgb_to_linearrgb", out[0].link, &out[0].link);
}
BKE_image_release_ibuf(ima, ibuf, NULL);
return true;
}
static int node_shader_gpu_tex_image(GPUMaterial *mat, bNode *node, bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out)
{
Image *ima = (Image *)node->id;
ImageUser *iuser = NULL;
NodeTexImage *tex = node->storage;
int isdata = tex->color_space == SHD_COLORSPACE_NONE;
int ret;
if (!ima)
return GPU_stack_link(mat, "node_tex_image_empty", in, out);
if (!in[0].link)
in[0].link = GPU_attribute(CD_MTFACE, "");
node_shader_gpu_tex_mapping(mat, node, in, out);
ret = GPU_stack_link(mat, "node_tex_image", in, out, GPU_image(ima, iuser, isdata));
if (ret) {
ImBuf *ibuf = BKE_image_acquire_ibuf(ima, iuser, NULL);
if (ibuf && (ibuf->colormanage_flag & IMB_COLORMANAGE_IS_DATA) == 0 &&
GPU_material_do_color_management(mat))
{
GPU_link(mat, "srgb_to_linearrgb", out[0].link, &out[0].link);
}
BKE_image_release_ibuf(ima, ibuf, NULL);
}
return ret;
}
static int node_shader_gpu_tex_voronoi(GPUMaterial *mat, bNode *node, bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out)
{
if (!in[0].link)
in[0].link = GPU_attribute(CD_ORCO, "");
node_shader_gpu_tex_mapping(mat, node, in, out);
return GPU_stack_link(mat, "node_tex_voronoi", in, out);
}
static int node_shader_gpu_tex_noise(GPUMaterial *mat, bNode *node, GPUNodeStack *in, GPUNodeStack *out)
{
if (!in[0].link)
in[0].link = GPU_attribute(CD_ORCO, "");
node_shader_gpu_tex_mapping(mat, node, in, out);
return GPU_stack_link(mat, "node_tex_noise", in, out);
}
static int node_shader_gpu_tex_coord(GPUMaterial *mat, bNode *UNUSED(node), bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out)
{
GPUNodeLink *orco = GPU_attribute(CD_ORCO, "");
GPUNodeLink *mtface = GPU_attribute(CD_MTFACE, "");
GPUMatType type = GPU_Material_get_type(mat);
if (type == GPU_MATERIAL_TYPE_MESH) {
return GPU_stack_link(mat, "node_tex_coord", in, out,
GPU_builtin(GPU_VIEW_POSITION), GPU_builtin(GPU_VIEW_NORMAL),
GPU_builtin(GPU_INVERSE_VIEW_MATRIX), GPU_builtin(GPU_INVERSE_OBJECT_MATRIX),
GPU_builtin(GPU_CAMERA_TEXCO_FACTORS), orco, mtface);
}
else {
return GPU_stack_link(mat, "node_tex_coord_background", in, out,
GPU_builtin(GPU_VIEW_POSITION), GPU_builtin(GPU_VIEW_NORMAL),
GPU_builtin(GPU_INVERSE_VIEW_MATRIX), GPU_builtin(GPU_INVERSE_OBJECT_MATRIX),
GPU_builtin(GPU_CAMERA_TEXCO_FACTORS), orco, mtface);
}
}
static int node_shader_gpu_tex_checker(GPUMaterial *mat, bNode *node, bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out)
{
if (!in[0].link) {
in[0].link = GPU_attribute(CD_ORCO, "");
GPU_link(mat, "generated_from_orco", in[0].link, &in[0].link);
}
node_shader_gpu_tex_mapping(mat, node, in, out);
return GPU_stack_link(mat, "node_tex_checker", in, out);
}
static int node_shader_gpu_tex_magic(GPUMaterial *mat, bNode *node, GPUNodeStack *in, GPUNodeStack *out)
{
NodeTexMagic *tex = (NodeTexMagic*)node->storage;
float depth = tex->depth;
if (!in[0].link)
in[0].link = GPU_attribute(CD_ORCO, "");
node_shader_gpu_tex_mapping(mat, node, in, out);
return GPU_stack_link(mat, "node_tex_magic", in, out, GPU_uniform(&depth));
}
static int node_shader_gpu_tex_gradient(GPUMaterial *mat, bNode *node, bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out)
{
if (!in[0].link) {
in[0].link = GPU_attribute(CD_ORCO, "");
GPU_link(mat, "generated_from_orco", in[0].link, &in[0].link);
}
node_shader_gpu_tex_mapping(mat, node, in, out);
NodeTexGradient *tex = (NodeTexGradient *)node->storage;
float gradient_type = tex->gradient_type;
return GPU_stack_link(mat, "node_tex_gradient", in, out, GPU_uniform(&gradient_type));
}
static int node_shader_gpu_tex_noise(GPUMaterial *mat,
bNode *node,
bNodeExecData *UNUSED(execdata),
GPUNodeStack *in,
GPUNodeStack *out)
{
if (!in[0].link) {
in[0].link = GPU_attribute(CD_ORCO, "");
GPU_link(mat, "generated_texco", GPU_builtin(GPU_VIEW_POSITION), in[0].link, &in[0].link);
}
node_shader_gpu_tex_mapping(mat, node, in, out);
return GPU_stack_link(mat, node, "node_tex_noise", in, out);
}
static int node_shader_gpu_tex_brick(GPUMaterial *mat, bNode *node, bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out)
{
if (!in[0].link) {
in[0].link = GPU_attribute(CD_ORCO, "");
GPU_link(mat, "generated_from_orco", in[0].link, &in[0].link);
}
node_shader_gpu_tex_mapping(mat, node, in, out);
NodeTexBrick *tex = (NodeTexBrick *)node->storage;
float offset_freq = tex->offset_freq;
float squash_freq = tex->squash_freq;
return GPU_stack_link(mat, "node_tex_brick",
in, out,
GPU_uniform(&tex->offset), GPU_uniform(&offset_freq),
GPU_uniform(&tex->squash), GPU_uniform(&squash_freq));
}
static int node_shader_gpu_tex_image(GPUMaterial *mat, bNode *node, GPUNodeStack *in, GPUNodeStack *out)
{
Image *ima= (Image*)node->id;
ImageUser *iuser= NULL;
if (!ima) {
float black[4] = {0.0f, 0.0f, 0.0f, 1.0f};
GPUNodeLink *vec = GPU_uniform(black);
return GPU_stack_link(mat, "set_rgba", out, out, vec);
}
if (!in[0].link)
in[0].link = GPU_attribute(CD_MTFACE, "");
node_shader_gpu_tex_mapping(mat, node, in, out);
return GPU_stack_link(mat, "node_tex_image", in, out, GPU_image(ima, iuser));
}
static int gpu_shader_normal_map(GPUMaterial *mat, bNode *node, bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out)
{
NodeShaderNormalMap *nm = node->storage;
GPUNodeLink *negnorm;
GPUNodeLink *realnorm;
GPUNodeLink *strength;
float d[4] = {0, 0, 0, 0};
if (in[0].link)
strength = in[0].link;
else
strength = GPU_uniform(in[0].vec);
if (in[1].link)
realnorm = in[1].link;
else
realnorm = GPU_uniform(in[1].vec);
negnorm = GPU_builtin(GPU_VIEW_NORMAL);
GPU_link(mat, "math_max", strength, GPU_uniform(d), &strength);
if (GPU_material_use_world_space_shading(mat)) {
/* ******* CYCLES or BLENDER INTERNAL with world space shading flag ******* */
const char *color_to_normal_fnc_name = "color_to_normal_new_shading";
if (nm->space == SHD_SPACE_BLENDER_OBJECT || nm->space == SHD_SPACE_BLENDER_WORLD || !GPU_material_use_new_shading_nodes(mat))
color_to_normal_fnc_name = "color_to_blender_normal_new_shading";
switch (nm->space) {
case SHD_SPACE_TANGENT:
GPU_link(mat, "color_to_normal_new_shading", realnorm, &realnorm);
GPU_link(mat, "node_normal_map", GPU_attribute(CD_TANGENT, nm->uv_map), negnorm, realnorm, &realnorm);
GPU_link(mat, "vec_math_mix", strength, realnorm, GPU_builtin(GPU_VIEW_NORMAL), &out[0].link);
/* for uniform scale this is sufficient to match Cycles */
GPU_link(mat, "direction_transform_m4v3", out[0].link, GPU_builtin(GPU_INVERSE_VIEW_MATRIX), &out[0].link);
GPU_link(mat, "vect_normalize", out[0].link, &out[0].link);
return true;
case SHD_SPACE_OBJECT:
case SHD_SPACE_BLENDER_OBJECT:
GPU_link(mat, "direction_transform_m4v3", negnorm, GPU_builtin(GPU_INVERSE_VIEW_MATRIX), &negnorm);
GPU_link(mat, color_to_normal_fnc_name, realnorm, &realnorm);
GPU_link(mat, "direction_transform_m4v3", realnorm, GPU_builtin(GPU_OBJECT_MATRIX), &realnorm);
break;
case SHD_SPACE_WORLD:
case SHD_SPACE_BLENDER_WORLD:
GPU_link(mat, "direction_transform_m4v3", negnorm, GPU_builtin(GPU_INVERSE_VIEW_MATRIX), &negnorm);
GPU_link(mat, color_to_normal_fnc_name, realnorm, &realnorm);
break;
}
}
else {
/* ************** BLENDER INTERNAL without world space shading flag ******* */
GPU_link(mat, "color_to_normal", realnorm, &realnorm);
GPU_link(mat, "mtex_negate_texnormal", realnorm, &realnorm);
GPU_link(mat, "vec_math_negate", negnorm, &negnorm);
switch (nm->space) {
case SHD_SPACE_TANGENT:
GPU_link(mat, "node_normal_map", GPU_attribute(CD_TANGENT, nm->uv_map), negnorm, realnorm, &realnorm);
break;
case SHD_SPACE_OBJECT:
case SHD_SPACE_BLENDER_OBJECT:
GPU_link(mat, "direction_transform_m4v3", realnorm, GPU_builtin(GPU_LOC_TO_VIEW_MATRIX), &realnorm);
break;
case SHD_SPACE_WORLD:
case SHD_SPACE_BLENDER_WORLD:
GPU_link(mat, "direction_transform_m4v3", realnorm, GPU_builtin(GPU_VIEW_MATRIX), &realnorm);
break;
}
}
GPU_link(mat, "vec_math_mix", strength, realnorm, negnorm, &out[0].link);
GPU_link(mat, "vect_normalize", out[0].link, &out[0].link);
return true;
}
